diff options
Diffstat (limited to 'hw/xfree86/xf8_32bpp/cfbimage.c')
| -rw-r--r-- | hw/xfree86/xf8_32bpp/cfbimage.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/hw/xfree86/xf8_32bpp/cfbimage.c b/hw/xfree86/xf8_32bpp/cfbimage.c new file mode 100644 index 000000000..1e8550851 --- /dev/null +++ b/hw/xfree86/xf8_32bpp/cfbimage.c @@ -0,0 +1,168 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/xf8_32bpp/cfbimage.c,v 1.2 2000/02/25 00:21:40 mvojkovi Exp $ */ + +#include "X.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "scrnintstr.h" +#include "gcstruct.h" +#define PSZ 8 +#include "cfb.h" +#undef PSZ +#include "cfb32.h" +#include "cfb8_32.h" +#include "servermd.h" +#include "mi.h" + + +void +cfb8_32GetImage ( + DrawablePtr pDraw, + int sx, int sy, int w, int h, + unsigned int format, + unsigned long planemask, + char *pdstLine +){ + if(!w || !h) return; + + if (!cfbDrawableEnabled (pDraw)) + return; + + if(pDraw->depth == 24){ + cfb32GetImage(pDraw, sx, sy, w, h, format, planemask, pdstLine); + return; + } + + if((pDraw->bitsPerPixel == 8) || (pDraw->bitsPerPixel == 1)){ + cfbGetImage(pDraw, sx, sy, w, h, format, planemask, pdstLine); + return; + } + + /* source is depth 8, 32 bpp */ + if(format != ZPixmap) { + miGetImage(pDraw, sx, sy, w, h, format, planemask, pdstLine); + return; + } else { + BoxRec box; + DDXPointRec ptSrc; + RegionRec rgnDst; + ScreenPtr pScreen; + PixmapPtr pPixmap; + + pScreen = pDraw->pScreen; + pPixmap = GetScratchPixmapHeader(pScreen, w, h, 8, 8, + PixmapBytePad(w,8), (pointer)pdstLine); + if (!pPixmap) + return; + if ((planemask & 0xff) != 0xff) + bzero((char *)pdstLine, pPixmap->devKind * h); + ptSrc.x = sx + pDraw->x; + ptSrc.y = sy + pDraw->y; + box.x1 = 0; + box.y1 = 0; + box.x2 = w; + box.y2 = h; + REGION_INIT(pScreen, &rgnDst, &box, 1); + cfbDoBitblt32To8(pDraw, (DrawablePtr)pPixmap, GXcopy, &rgnDst, + &ptSrc, planemask, 0); + REGION_UNINIT(pScreen, &rgnDst); + FreeScratchPixmapHeader(pPixmap); + } +} + +void +cfb8_32PutImage ( + DrawablePtr pDraw, + GCPtr pGC, + int depth, + int x, int y, int w, int h, + int leftPad, + int format, + char *pImage +){ + if(!w || !h) return; + + if((pDraw->bitsPerPixel == 8) || (format != XYPixmap)){ + cfbPutImage(pDraw, pGC, depth, x, y, w, h, leftPad, format, pImage); + return; + } else { /* moving an 8bpp XYPixmap to a 32bpp screen */ + unsigned long oldFg, oldBg; + XID gcv[3]; + unsigned long oldPlanemask; + unsigned long i; + long bytesPer; + + oldPlanemask = pGC->planemask; + oldFg = pGC->fgPixel; + oldBg = pGC->bgPixel; + gcv[0] = ~0L; + gcv[1] = 0; + DoChangeGC(pGC, GCForeground | GCBackground, gcv, 0); + bytesPer = (long)h * BitmapBytePad(w + leftPad); + + for (i = 0x80000000; i & 0xff000000; i >>= 1, pImage += bytesPer) + { + if (i & oldPlanemask) + { + gcv[0] = i; + DoChangeGC(pGC, GCPlaneMask, gcv, 0); + ValidateGC(pDraw, pGC); + (*pGC->ops->PutImage)(pDraw, pGC, 1, x, y, w, h, leftPad, + XYBitmap, pImage); + } + } + gcv[0] = oldPlanemask; + gcv[1] = oldFg; + gcv[2] = oldBg; + DoChangeGC(pGC, GCPlaneMask | GCForeground | GCBackground, gcv, 0); + ValidateGC(pDraw, pGC); + } +} + + + + +void +cfb8_32GetSpans( + DrawablePtr pDraw, + int wMax, + DDXPointPtr ppt, + int *pwidth, + int nspans, + char *pDst +){ + int pitch, i; + CARD8 *ptr, *ptrBase; + + if (!cfbDrawableEnabled (pDraw)) + return; + + if(pDraw->bitsPerPixel == 1) { + mfbGetSpans(pDraw, wMax, ppt, pwidth, nspans, pDst); + return; + } + + if(pDraw->depth == 24) { + cfb32GetSpans(pDraw, wMax, ppt, pwidth, nspans, pDst); + return; + } else if(pDraw->bitsPerPixel == 8) { + cfbGetSpans(pDraw, wMax, ppt, pwidth, nspans, pDst); + return; + } + + /* gotta get spans from a depth 8 window */ + cfbGetByteWidthAndPointer(pDraw, pitch, ptrBase); + ptrBase += 3; /* point to top byte */ + + while(nspans--) { + ptr = ptrBase + (ppt->y * pitch) + (ppt->x << 2); + + for(i = *pwidth; i--; ptr += 4) + *(pDst++) = *ptr; + + pDst = (char*)((long)(pDst + 3) & ~3L); + + ppt++; pwidth++; + } +} + + |